Muffler cut-out



W. H. CRYI'AN. MUFFLER CUT-OUT. APPLICATION FILED OCT. 17, 1918.

PateiitdAug. 1,1922.

WILLIAM H. CRYAN, OF VTOONSOCKET, RHODE ISLAND, ASSIGNOR OF ONE-SIXTH TO ROMEO J. DANIS, ONE-SIXTH TO WILLIAM F. FOX, ONE-SIXTH TO HAROLD B.

FINDLAY AND ONE-HALF TO GEORGE F. VERHULST,

Application filed October 17, 1918.

To all whom it may concern:

Be it known that I, lVILLmM H. CRYAN, a citizen of the United States, residing at VVoonsocket, in the county of Providence and State of Rhode Island, have invented new and useful Improvements in Mufiier Cut-Outs, of which the following is a specification.

This invention relates to internal combustion engines and pertains particularly to the exhaust pipe and the muffler or silencer and to the connections therebetween.

An object of the invention is to provide a cut-out in the exhaust pipe which will allow the exhaust gases, when desired, to PZLSS ClI- rectly to atmosphere with the least possible resistance and without changein direction.

These and other features of the invention will be described and more fully set forth hereinafter.

The invention consists in the novel con struction and arrangement of parts fully described, defincd in the appended claims, and illustrated in the accompanying drawings, in which drawings Figure 1 is a side elevation of a motor car equipped with my muffler cut-out;

Fig. 2 is an enlarged fragmentary v ew, partly in section, showing the cut-out in a closed position; I

Fig. 3 is a view, similar to Fig. 2, shoW ing the cut-out in an open position;

Fig. 4 is a transverse sectional v ew taken on the line 44 of Fig. 2;

Fig. 5 is a transverse sectional view taken on the line 55 of Fig. 3.

Similar reference numerals designate like parts throughout the several views.

Referring to the drawings in detail, 10 represents a motor car having the usual drivers seat 11, steering wheel 12 and hood 13. The hood l3 encases a suitable internal combustion engine (not shown) provided with the usual exhaust pipe 14 and extendingrearwardly beneath the hood 13, as shown. A muffler or silencer 15 is securely fastened beneath the rear of the car in any suitable manner as by means of metal straps 16 and is positioned so that the flanged opening 17 is in alinement with the outlet end 14 of the exhaust pipe 14. A connecting pipe 18 preferably of the same diameter as the exhaust pipe 14, is normally held at one end 18' Specification of Letters Patent.

or loose fit in registry with the outlet end 14 MUFFLER CUT-OUT.

Patented Aug. 1 1922. Serial No. 258,599.

posite end of the connecting pipe 18 extends through the flanged opening 17 and slightly within the muffler 15. The connecting pipe 18 and the flange opening 17 have a sliding which permits the opposite or free end 18 of the connecting pipe 18 to be moved out of alinement with the outlet end 14 of the exhaust pipe 14 so as to permit the exhaust gases to pass directly to atmosphere as hereinafter described. Any other suitable means may be provided to permit the movement of the connecting pipe.

Rigidly fastened in any suitable manner to the end 14 of the exhaust pipe 14 is a wedge shaped plate 19 provided with retaininggrooves 20 on its opposite converging edges. A similar wedge shaped plate 21 is securely fastened to the end 18 of the connecting pipe 18 and is adapted when slid within the grooves 20 to bring the opening in the end 18 of the connecting pipe 18 into registry with the outlet opening 14 of the.

exhaust pipe 14. The wedge shaped plates 19 and 21 are bent in the form of an are curved. on the radius of movement of the connecting pipe 18, see Figs. 2 and 3. The bottom of the plate 21 is cut away as shown (see Figs. 4 and 5) so that when the end 18' of the connecting pipe 18 is raised out of alinement as shown in F ig. 3, the exhaust gases from the pipe 14 can pass directly to atmosphere. Guide rods 22 are fastened to the bottom of the car in any suitable manner and extend. on opposite sides of the connecting pipe 18, preferably near the free end 18, and in engagement therewith. These guide rods 22 prevent longitudinal displacement of the connecting pipe 18 out of its plane of movement, Coil springs 23 are fastened to the plates 19 and 21 by means of the laterally projecting lugs 24 and 25 formed therein. as shown by Figs. 4 and 5, and tend to hold the plate 19 seated in the grooves 20 to prevent accidental displacing of the registering ends 14 and 18. A wire chain or cord 26 is fastened to the end 18' of the connecting pipe 18 and to a foot operated lever 27 fastened to the floor of the car in a position to be manipulated by the driver of the car when he desires to open the cut-out.

While I have described various details in connection with my invention, I am aware that many changes in construction and arrangements of parts may be made without departing from this invention. The end of the exhaust pipe may be moved out of alinement with the adjacent end of the connecting pipe or both adjacent ends of the exhaust )ipe and connecting pipe may be movable. uch changes as these I aim to include within the scope of the appended claims.

Having thus described my invention, what I claim as new and ters Patent of the United States is 1- 1.- In combination, an exhaust pipe of an internal combustion engine, a connecting pipe for communicating the discharge end of said exhaust pipe'with a muffler, and means for moving said connecting pipe away from position opposite the adjacent end of said exhaust pipe to thereby uncover the end of said exhaustpipe and cause the same to discharge the exhaust directly to the atmosphere. I

2. In combination, an exhaust pipe of an internal combustion engine, a muffler, a connecting pipe between the discharge end of said exhaust pipe and said muffler, and, means for moving said connecting pipe away from position opposite the adjacent end of said exhaust pipe and thereby uncover the end of said exhaust pipe and cause the same to discharge the exhaust in a straight line directly to the atmosphere. j

3. In combination, an exhaust pipe of an internal combustion engine, a muffler, a connecting pipe between said muffler and said exhaust pipe, and means for moving the adjacent end. of said. connecting pipe out of alignment with the outlet end of said exhaust pipe and thereby uncover the end of said exhaust pipe, and cause the same to disdesire to secure by Let-.

charge in a straight line directly to the atmosphere.

l. In combination, an exhaust pipe of an internal combustion engine, a muffler, a connecting pipe extending into said muffler, a retaining member fastened to the outlet end of said exhaust pipe, and a sliding member secured to the free end of said connecting pipe engaging said retaining member and adapted to hold. said connecting pipe in alinement with the outlet of said exhaust pipe.

5. In combination, an exhaust pipe of an internal combustion engine, a muffler, a connecting pipe extending into said 'mufl ler, a curved wedge shaped member outlet end of said exhaust pipe and provided with flanges on its converging sides, a sliding wedge shaped member secured to the of said connecting member secured free end secured to the to the free end of said connecting pipe curved on the radius of movement and adapted to be retained by said flanges, and means for moving said sliding member in said flanges. a

6. In combination, an exhaust pipe of an internal combustion engine, a muffler, a connecting pipe extending into said muffler, a curved wedge shaped member secured to the outlet end of said exhaust pipe and pro- V on 1ts converging sides,

vided with flanges a sliding wedge shaped m ember secured to the free end of said connecting pipe curved on its radius of movement and adapted to be retained by said flanges, means for moving said sliding member in said flanges, and

guide members adapted to maintain said connecting pipe in its plane of movement.

In testimony whereof I have hereunto set my hand.

WILLIAM H. QRYAN. 

